package com.thinkgem.jeesite.common.pojo.net;

import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class OSUtils {

	/**
     * 获取客户端操作系统信息，目前只匹配Win 7、WinXP、Win2003、Win2000、MAC、WinNT、Linux、Mac68k、Win9x
     * @param userAgent request.getHeader("user-agent")的返回值
     * @return
     */

public static String getClientOS(String userAgent)
    {
        String cos = "unknow os";
        
        Pattern p = Pattern.compile(".*(Windows NT 6\\.1).*");
        Matcher m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Win 7";
            return cos;
        }
        
        p = Pattern.compile(".*(Windows NT 5\\.1|Windows XP).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "WinXP";
            return cos;
        }
        
        p = Pattern.compile(".*(Windows NT 5\\.2).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Win2003";
            return cos;
        }
        
        p = Pattern.compile(".*(Win2000|Windows 2000|Windows NT 5\\.0).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Win2000";
            return cos;
        }
        
        p = Pattern.compile(".*(Mac|apple|MacOS8).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "MAC";
            return cos;
        }
        
        p = Pattern.compile(".*(WinNT|Windows NT).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "WinNT";
            return cos;
        }
        
        p = Pattern.compile(".*Linux.*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Linux";
            return cos;
        }
        
        p = Pattern.compile(".*(68k|68000).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Mac68k";
            return cos;
        }
        
        p = Pattern.compile(".*(9x 4.90|Win9(5|8)|Windows 9(5|8)|95/NT|Win32|32bit).*");
        m = p.matcher(userAgent);
        if(m.find())
        {
            cos = "Win9x";
            return cos;
        }
        
        return cos;
    }
}
